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Diss Factsheets

Toxicological information

Eye irritation

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Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1985-05-29 to 1985-06-10
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1985
Report date:
1985

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Version / remarks:
(1981)
Deviations:
no
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3,3-trimethyl-N-(2-methylpropylidene)-5-[(2-methylpropylidene)amino]cyclohexanemethylamine
EC Number:
259-393-4
EC Name:
1,3,3-trimethyl-N-(2-methylpropylidene)-5-[(2-methylpropylidene)amino]cyclohexanemethylamine
Cas Number:
54914-37-3
Molecular formula:
C18H34N2
IUPAC Name:
1,3,3-Trimethyl-N-(2-methylpropylidene)-5-[(2-methylpropylidene)amino]cyclohexanemethanamine
Test material form:
other: liquid
Details on test material:
Produced October 1980. Purity 95 %

Test animals / tissue source

Species:
rabbit
Strain:
other: Small white Russian, Chbb-SPF
Details on test animals or tissues and environmental conditions:
- Source: Dr. Karl Thomae GmbH, Biberach (Germany)
- Sex: male and female
- Weight at study initiation: 2.0 - 2.6 kg
- Number of animals: 3 males, 3 females
- Controls: untreated eye

Test system

Vehicle:
unchanged (no vehicle)
Amount / concentration applied:
undiluted
Amount applied: 0.1 ml
Duration of treatment / exposure:
72 hour(s)
Observation period (in vivo):
Postexposure observation period: 12 days
Number of animals or in vitro replicates:
6
Details on study design:
Comment: rinsed after (see exposure time)
EXAMINATIONS
- Ophtalmoscopic examination: 1, 24, 48, 72 hours, 5, 7, 9, and 12 days  after treatment
- Tool used to assess score: sodium fluorescein / ophthalmic lamp /  visual inspections
- Scoring system: Draize (1959); evaluation: VCI notes on safety data  sheet and Appendix VI of 79/831/EEC

Results and discussion

In vivo

Results
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: according to scoring system
Score:
18.21
Max. score:
110
Reversibility:
fully reversible within: 12 days
Remarks on result:
other: REVERSIBILITY: complete in 12 days except for alopecia on the margin of  the lower eyelid of one animal
Irritant / corrosive response data:
AVERAGE SCORE
- Cornea: 0.72
- Iris: 0.33
- Conjunctivae (Redness): 2.06
- Conjunctivae (Chemosis): 0.61
- Overall irritation score: 18.21/110
DESCRIPTION OF LESIONS: transient reddening of parts of the iris in the  females
REVERSIBILITY: complete in 12 days except for alopecia on the margin of  the lower eyelid of one animal

Applicant's summary and conclusion

Conclusions:
The crosslinking agent
1,3,3 -trimethyl-N-(2 -methylpropylidene)-5 -[(2 -methylpropylidene)amino]cyclohexanemethylamine
(VESTAMIN A 139), tested with one undiluted administration of 0,1 m3 to eyes or eyelid sac of male and female rabbits showed slightly irritating effects (OECD 405, 1981).
Executive summary:

The test substance tested with one undiluted administration of 0,1 m3to eyes or eyelid sac of male and female rabbits showed slightly irritating effects (OECD 405, 1981).